"Chrestiennes" meaning in Middle French

{
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "adjective form"
      },
      "expansion": "Chrestiennes",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Middle French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "Chrestien"
        }
      ],
      "glosses": [
        "feminine plural of Chrestien"
      ],
      "id": "en-Chrestiennes-frm-adj-JqsIjNHe",
      "links": [
        [
          "Chrestien",
          "Chrestien#Middle_French"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "plural"
      ]
    }
  ],
  "word": "Chrestiennes"
}

{
  "head_templates": [
    {
      "args": {
        "1": "frm",
        "2": "adjective form"
      },
      "expansion": "Chrestiennes",
      "name": "head"
    }
  ],
  "lang": "Middle French",
  "lang_code": "frm",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Middle French adjective forms",
        "Middle French entries with incorrect language header",
        "Middle French non-lemma forms",
        "Pages with 1 entry"
      ],
      "form_of": [
        {
          "word": "Chrestien"
        }
      ],
      "glosses": [
        "feminine plural of Chrestien"
      ],
      "links": [
        [
          "Chrestien",
          "Chrestien#Middle_French"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "plural"
      ]
    }
  ],
  "word": "Chrestiennes"
}